这是个庆祝生日的蛋糕。

This is a ___celebratory birthday cake.

婚礼结束后，他们举办了一场庆祝晚宴。

After the wedding, they hosted a ___celebratory dinner party.

比赛胜利后，整个团队都沉浸在欢乐的气氛中。

After winning the match, the whole team was in a ___celebratory mood.